292 lines
9.7 KiB
C++
292 lines
9.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*/
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#include "nsIDOMHTMLIFrameElement.h"
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#include "nsIScriptObjectOwner.h"
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#include "nsIDOMEventReceiver.h"
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#include "nsIHTMLContent.h"
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#include "nsGenericHTMLElement.h"
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#include "nsHTMLAtoms.h"
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#include "nsHTMLIIDs.h"
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#include "nsIStyleContext.h"
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#include "nsStyleConsts.h"
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#include "nsIPresContext.h"
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#include "nsIHTMLAttributes.h"
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static NS_DEFINE_IID(kIDOMHTMLIFrameElementIID, NS_IDOMHTMLIFRAMEELEMENT_IID);
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static nsGenericHTMLElement::EnumTable kAlignTable[] = {
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{ "left", NS_STYLE_TEXT_ALIGN_LEFT },
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{ "right", NS_STYLE_TEXT_ALIGN_RIGHT },
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{ "center", NS_STYLE_TEXT_ALIGN_CENTER },
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{ 0 }
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};
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class nsHTMLIFrameElement : public nsIDOMHTMLIFrameElement,
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public nsIScriptObjectOwner,
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public nsIDOMEventReceiver,
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public nsIHTMLContent
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{
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public:
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nsHTMLIFrameElement(nsIAtom* aTag);
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virtual ~nsHTMLIFrameElement();
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// nsISupports
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NS_DECL_ISUPPORTS
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// nsIDOMNode
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NS_IMPL_IDOMNODE_USING_GENERIC(mInner)
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// nsIDOMElement
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NS_IMPL_IDOMELEMENT_USING_GENERIC(mInner)
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// nsIDOMHTMLElement
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NS_IMPL_IDOMHTMLELEMENT_USING_GENERIC(mInner)
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// nsIDOMHTMLIFrameElement
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NS_IMETHOD GetAlign(nsString& aAlign);
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NS_IMETHOD SetAlign(const nsString& aAlign);
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NS_IMETHOD GetFrameBorder(nsString& aFrameBorder);
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NS_IMETHOD SetFrameBorder(const nsString& aFrameBorder);
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NS_IMETHOD GetHeight(nsString& aHeight);
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NS_IMETHOD SetHeight(const nsString& aHeight);
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NS_IMETHOD GetLongDesc(nsString& aLongDesc);
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NS_IMETHOD SetLongDesc(const nsString& aLongDesc);
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NS_IMETHOD GetMarginHeight(nsString& aMarginHeight);
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NS_IMETHOD SetMarginHeight(const nsString& aMarginHeight);
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NS_IMETHOD GetMarginWidth(nsString& aMarginWidth);
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NS_IMETHOD SetMarginWidth(const nsString& aMarginWidth);
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NS_IMETHOD GetName(nsString& aName);
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NS_IMETHOD SetName(const nsString& aName);
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NS_IMETHOD GetScrolling(nsString& aScrolling);
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NS_IMETHOD SetScrolling(const nsString& aScrolling);
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NS_IMETHOD GetSrc(nsString& aSrc);
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NS_IMETHOD SetSrc(const nsString& aSrc);
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NS_IMETHOD GetWidth(nsString& aWidth);
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NS_IMETHOD SetWidth(const nsString& aWidth);
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// nsIScriptObjectOwner
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NS_IMPL_ISCRIPTOBJECTOWNER_USING_GENERIC(mInner)
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// nsIDOMEventReceiver
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NS_IMPL_IDOMEVENTRECEIVER_USING_GENERIC(mInner)
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// nsIContent
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NS_IMPL_ICONTENT_USING_GENERIC(mInner)
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// nsIHTMLContent
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NS_IMPL_IHTMLCONTENT_USING_GENERIC(mInner)
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protected:
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nsGenericHTMLContainerElement mInner;
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};
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nsresult
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NS_NewHTMLIFrameElement(nsIHTMLContent** aInstancePtrResult, nsIAtom* aTag)
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{
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NS_PRECONDITION(nsnull != aInstancePtrResult, "null ptr");
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if (nsnull == aInstancePtrResult) {
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return NS_ERROR_NULL_POINTER;
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}
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nsIHTMLContent* it = new nsHTMLIFrameElement(aTag);
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if (nsnull == it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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return it->QueryInterface(kIHTMLContentIID, (void**) aInstancePtrResult);
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}
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nsHTMLIFrameElement::nsHTMLIFrameElement(nsIAtom* aTag)
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{
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NS_INIT_REFCNT();
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mInner.Init(this, aTag);
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}
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nsHTMLIFrameElement::~nsHTMLIFrameElement()
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{
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}
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NS_IMPL_ADDREF(nsHTMLIFrameElement)
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NS_IMPL_RELEASE(nsHTMLIFrameElement)
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nsresult
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nsHTMLIFrameElement::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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{
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NS_IMPL_HTML_CONTENT_QUERY_INTERFACE(aIID, aInstancePtr, this)
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if (aIID.Equals(kIDOMHTMLIFrameElementIID)) {
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nsIDOMHTMLIFrameElement* tmp = this;
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*aInstancePtr = (void*) tmp;
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mRefCnt++;
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return NS_OK;
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}
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return NS_NOINTERFACE;
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}
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nsresult
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nsHTMLIFrameElement::CloneNode(PRBool aDeep, nsIDOMNode** aReturn)
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{
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nsHTMLIFrameElement* it = new nsHTMLIFrameElement(mInner.mTag);
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if (nsnull == it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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mInner.CopyInnerTo(this, &it->mInner, aDeep);
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return it->QueryInterface(kIDOMNodeIID, (void**) aReturn);
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}
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NS_IMPL_STRING_ATTR(nsHTMLIFrameElement, Align, align)
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NS_IMPL_STRING_ATTR(nsHTMLIFrameElement, FrameBorder, frameborder)
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NS_IMPL_STRING_ATTR(nsHTMLIFrameElement, Height, height)
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NS_IMPL_STRING_ATTR(nsHTMLIFrameElement, LongDesc, longdesc)
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NS_IMPL_STRING_ATTR(nsHTMLIFrameElement, MarginHeight, marginheight)
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NS_IMPL_STRING_ATTR(nsHTMLIFrameElement, MarginWidth, marginwidth)
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NS_IMPL_STRING_ATTR(nsHTMLIFrameElement, Name, name)
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NS_IMPL_STRING_ATTR(nsHTMLIFrameElement, Scrolling, scrolling)
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NS_IMPL_STRING_ATTR(nsHTMLIFrameElement, Src, src)
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NS_IMPL_STRING_ATTR(nsHTMLIFrameElement, Width, width)
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NS_IMETHODIMP
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nsHTMLIFrameElement::StringToAttribute(nsIAtom* aAttribute,
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const nsString& aValue,
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nsHTMLValue& aResult)
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{
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if (aAttribute == nsHTMLAtoms::marginwidth) {
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nsGenericHTMLElement::ParseValueOrPercent(aValue, aResult,
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eHTMLUnit_Pixel);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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else if (aAttribute == nsHTMLAtoms::marginheight) {
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nsGenericHTMLElement::ParseValueOrPercent(aValue, aResult,
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eHTMLUnit_Pixel);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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if (aAttribute == nsHTMLAtoms::width) {
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nsGenericHTMLElement::ParseValueOrPercent(aValue, aResult,
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eHTMLUnit_Pixel);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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else if (aAttribute == nsHTMLAtoms::height) {
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nsGenericHTMLElement::ParseValueOrPercent(aValue, aResult,
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eHTMLUnit_Pixel);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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else if (aAttribute == nsHTMLAtoms::frameborder) {
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nsGenericHTMLElement::ParseFrameborderValue(PR_TRUE, aValue, aResult);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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else if (aAttribute == nsHTMLAtoms::scrolling) {
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nsGenericHTMLElement::ParseScrollingValue(PR_TRUE, aValue, aResult);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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else if (aAttribute == nsHTMLAtoms::align) {
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if (nsGenericHTMLElement::ParseEnumValue(aValue, kAlignTable, aResult)) {
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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return NS_CONTENT_ATTR_NOT_THERE;
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}
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NS_IMETHODIMP
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nsHTMLIFrameElement::AttributeToString(nsIAtom* aAttribute,
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const nsHTMLValue& aValue,
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nsString& aResult) const
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{
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if (aAttribute == nsHTMLAtoms::frameborder) {
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nsGenericHTMLElement::FrameborderValueToString(PR_TRUE, aValue, aResult);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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else if (aAttribute == nsHTMLAtoms::scrolling) {
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nsGenericHTMLElement::ScrollingValueToString(PR_TRUE, aValue, aResult);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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else if (aAttribute == nsHTMLAtoms::align) {
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if (eHTMLUnit_Enumerated == aValue.GetUnit()) {
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nsGenericHTMLElement::EnumValueToString(aValue, kAlignTable, aResult);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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return mInner.AttributeToString(aAttribute, aValue, aResult);
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}
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static void
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MapAttributesInto(nsIHTMLAttributes* aAttributes,
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nsIStyleContext* aContext,
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nsIPresContext* aPresContext)
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{
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if (nsnull != aAttributes) {
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nsGenericHTMLElement::MapImageAlignAttributeInto(aAttributes, aContext, aPresContext);
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nsHTMLValue value;
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float p2t;
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aPresContext->GetScaledPixelsToTwips(&p2t);
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nsStylePosition* pos = (nsStylePosition*)
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aContext->GetMutableStyleData(eStyleStruct_Position);
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// width: value
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aAttributes->GetAttribute(nsHTMLAtoms::width, value);
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if (value.GetUnit() == eHTMLUnit_Pixel) {
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nscoord twips = NSIntPixelsToTwips(value.GetPixelValue(), p2t);
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pos->mWidth.SetCoordValue(twips);
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}
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else if (value.GetUnit() == eHTMLUnit_Percent) {
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pos->mWidth.SetPercentValue(value.GetPercentValue());
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}
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// height: value
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aAttributes->GetAttribute(nsHTMLAtoms::height, value);
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if (value.GetUnit() == eHTMLUnit_Pixel) {
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nscoord twips = NSIntPixelsToTwips(value.GetPixelValue(), p2t);
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pos->mHeight.SetCoordValue(twips);
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}
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else if (value.GetUnit() == eHTMLUnit_Percent) {
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pos->mHeight.SetPercentValue(value.GetPercentValue());
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}
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}
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nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aContext, aPresContext);
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}
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NS_IMETHODIMP
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nsHTMLIFrameElement::GetAttributeMappingFunctions(nsMapAttributesFunc& aFontMapFunc,
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nsMapAttributesFunc& aMapFunc) const
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{
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aFontMapFunc = nsnull;
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aMapFunc = &MapAttributesInto;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLIFrameElement::HandleDOMEvent(nsIPresContext& aPresContext,
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nsEvent* aEvent,
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nsIDOMEvent** aDOMEvent,
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PRUint32 aFlags,
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nsEventStatus& aEventStatus)
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{
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return mInner.HandleDOMEvent(aPresContext, aEvent, aDOMEvent,
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aFlags, aEventStatus);
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}
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NS_IMETHODIMP
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nsHTMLIFrameElement::GetStyleHintForAttributeChange(
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const nsIAtom* aAttribute,
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PRInt32 *aHint) const
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{
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nsGenericHTMLElement::GetStyleHintForCommonAttributes(this, aAttribute, aHint);
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return NS_OK;
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}
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